<main><article class="index"><div class="ul list"><div class="frame list"><div class="li">
<form action="<?php echo htmlspecialchars($_SERVER['REQUEST_URI']) ?>" method="post">
<input type="hidden" value="<?php echo $id ?>" name="problem">
<select name="language" style="padding: 0 20px; height: 40px;">
<?php foreach ($languages as $langId => $langName):?>
<option value="<?php echo $langId ?>"><?php echo $langName ?></option>
<?php endforeach ?>
</select>
<textarea style="height:433px; width:100%; resize:none; margin: 10px 0;" name="code"></textarea>
<input type="submit" value="提交">
</form>
</div></div></div></article></main>